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Warranties (Schedule of Product Warranty Liability) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Product Warranties Disclosures [Abstract]    
Product warranty accrual balance, beginning of period $ 7,109 $ 8,411
Liabilities accrued for warranties during the period 7,263 5,228
Warranty claims paid during the period (5,769) (5,848)
Changes in estimates 357 141
Transfers to liabilities held-for-sale and divested businesses   (823)
Product warranty accrual balance, end of period $ 8,960 $ 7,109